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GB2189555B - Two-stage pump assembly - Google Patents

Two-stage pump assembly

Info

Publication number
GB2189555B
GB2189555B GB8604418A GB8604418A GB2189555B GB 2189555 B GB2189555 B GB 2189555B GB 8604418 A GB8604418 A GB 8604418A GB 8604418 A GB8604418 A GB 8604418A GB 2189555 B GB2189555 B GB 2189555B
Authority
GB
United Kingdom
Prior art keywords
pump assembly
stage pump
stage
assembly
pump
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB8604418A
Other versions
GB2189555A (en
GB8604418D0 (en
Inventor
Toshinori Saito
Makoto Takeuchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jeol Ltd
Original Assignee
Jeol Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP1315085U external-priority patent/JPH0429393Y2/ja
Priority claimed from JP1843785A external-priority patent/JPS61178582A/en
Application filed by Jeol Ltd filed Critical Jeol Ltd
Publication of GB8604418D0 publication Critical patent/GB8604418D0/en
Publication of GB2189555A publication Critical patent/GB2189555A/en
Application granted granted Critical
Publication of GB2189555B publication Critical patent/GB2189555B/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/02—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having two cylinders
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06—Control using electricity
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02—Column chromatography
    • G01N30/26—Conditioning of the fluid carrier; Flow patterns
    • G01N30/28—Control of physical parameters of the fluid carrier
    • G01N30/32—Control of physical parameters of the fluid carrier of pressure or speed
    • G01N2030/324—Control of physical parameters of the fluid carrier of pressure or speed speed, flow rate
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02—Column chromatography
    • G01N30/26—Conditioning of the fluid carrier; Flow patterns
    • G01N30/28—Control of physical parameters of the fluid carrier
    • G01N30/32—Control of physical parameters of the fluid carrier of pressure or speed
    • G01N2030/326—Control of physical parameters of the fluid carrier of pressure or speed pumps
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02—Column chromatography
    • G01N30/26—Conditioning of the fluid carrier; Flow patterns
    • G01N30/28—Control of physical parameters of the fluid carrier
    • G01N30/36—Control of physical parameters of the fluid carrier in high pressure liquid systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
GB8604418A 1985-02-01 1986-02-21 Two-stage pump assembly Expired GB2189555B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1315085U JPH0429393Y2 (en) 1985-02-01 1985-02-01
JP1843785A JPS61178582A (en) 1985-02-01 1985-02-01 Liquid feeding pump apparatus

Publications (3)

Publication Number Publication Date
GB8604418D0 GB8604418D0 (en) 1986-03-26
GB2189555A GB2189555A (en) 1987-10-28
GB2189555B true GB2189555B (en) 1989-11-15

Family

ID=26348887

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8604418A Expired GB2189555B (en) 1985-02-01 1986-02-21 Two-stage pump assembly

Country Status (2)

Country Link
US (1) US4681513A (en)
GB (1) GB2189555B (en)

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US5527161A (en) * 1992-02-13 1996-06-18 Cybor Corporation Filtering and dispensing system
US5364242A (en) * 1992-11-25 1994-11-15 Pharmacia Deltec, Inc. Pump apparatus and method including double activation pump apparatus
US5332366A (en) * 1993-01-22 1994-07-26 Schwing America, Inc. Concrete pump monitoring system
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US5983863A (en) * 1993-05-06 1999-11-16 Cummins Engine Company, Inc. Compact high performance fuel system with accumulator
US5678521A (en) * 1993-05-06 1997-10-21 Cummins Engine Company, Inc. System and methods for electronic control of an accumulator fuel system
US5490765A (en) * 1993-05-17 1996-02-13 Cybor Corporation Dual stage pump system with pre-stressed diaphragms and reservoir
US5538403A (en) * 1994-05-06 1996-07-23 Cummins Engine Company, Inc. High pressure pump for fuel injection systems
JPH106954A (en) * 1996-06-27 1998-01-13 Unisia Jecs Corp Pump device and brake control device
JPH10176654A (en) * 1996-12-16 1998-06-30 Unisia Jecs Corp Pump device
CA2431049C (en) * 2001-02-23 2010-06-01 Stryker Instruments Integrated medication delivery system
US20040034331A1 (en) * 2001-02-23 2004-02-19 Jason Toman Integrated medication delivery system
JP4276827B2 (en) * 2002-10-18 2009-06-10 株式会社日立ハイテクノロジーズ Liquid chromatograph pump and operation method thereof
JP4206308B2 (en) * 2003-08-01 2009-01-07 株式会社日立ハイテクノロジーズ Liquid chromatograph pump
JP4377761B2 (en) * 2004-07-01 2009-12-02 株式会社日立ハイテクノロジーズ Liquid chromatograph
EP1859169A2 (en) 2004-11-23 2007-11-28 Entegris, Inc. System and method for a variable home position dispense system
EP1589336A1 (en) * 2005-02-04 2005-10-26 Agilent Technologies, Inc. Leakage checking and calibration of a liquid delivery system
US8241013B2 (en) * 2005-10-27 2012-08-14 Waters Technologies Corporation Serial capillary pump
EP1952022B1 (en) 2005-11-21 2014-11-12 Entegris, Inc. System and method for a pump with reduced form factor
US8029247B2 (en) 2005-12-02 2011-10-04 Entegris, Inc. System and method for pressure compensation in a pump
US8083498B2 (en) 2005-12-02 2011-12-27 Entegris, Inc. System and method for position control of a mechanical piston in a pump
TWI402423B (en) 2006-02-28 2013-07-21 Entegris Inc System and method for operation of a pump
EP1785623B1 (en) * 2006-10-25 2009-05-06 Agilent Technologies, Inc. Pumping apparatus having a varying phase relationship between reciprocating piston motions
WO2008077408A1 (en) * 2006-12-22 2008-07-03 Grundfos Nonox A/S Pump for feeding urea to an engine exhaust system
US20080173736A1 (en) * 2007-01-22 2008-07-24 Rexius Forest By-Products, Inc. High-Speed Material Conveyor Having Direct Hydraulic Drive
US20090092511A1 (en) * 2007-10-05 2009-04-09 Fangfang Jiang Heart-shaped cam constant flow pump
EP2107241A3 (en) 2008-04-02 2010-06-09 Flux Instruments AG A Piston Pump Having a Force Sensor and a Method for Controlling Said Pump
EP2133568B1 (en) * 2008-06-13 2014-04-30 J.P. Sauer & Sohn Maschinenbau GmbH Multi-stage piston compressor
EP2244091B8 (en) * 2009-04-21 2016-02-24 Agilent Technologies, Inc. Leak detection upstream of a mixing point
US8182680B2 (en) * 2009-04-29 2012-05-22 Agilent Technologies, Inc. Primary piston correction during transfer
EP2362100B2 (en) * 2010-02-18 2020-07-08 Grundfos Management A/S Metering pump aggregate and method for controlling same
GB2481624A (en) * 2010-07-01 2012-01-04 Agilent Technologies Inc Controller and piezoelectric actuator provides pressure ripple compensation in chromatographic pump drive
DE102011052848B4 (en) 2011-08-19 2017-02-09 Dionex Softron Gmbh Device for controlling a piston pump unit for liquid chromatography
JP2014527881A (en) 2011-09-21 2014-10-23 ベイヤー メディカル ケア インク． Continuous multi-fluid pump device, drive and actuation system and method
CN102367788B (en) * 2011-12-06 2014-03-26 吉林大学 Staggered phase parallel combined plunger-type hydraulic pump
CN103217319B (en) * 2012-01-19 2017-05-17 深圳迈瑞生物医疗电子股份有限公司 Sampling pump and gas analyzer
US20130213506A1 (en) * 2012-02-20 2013-08-22 Microjet Technology Co., Ltd Fluid transportation device
CN102587090A (en) * 2012-03-22 2012-07-18 无锡小天鹅股份有限公司 Putting device capable of overcoming viscosity change of detergent and control method thereof
DE102012105323B4 (en) 2012-06-19 2017-03-16 Dionex Softron Gmbh Control device for controlling a piston pump unit for liquid chromatography, in particular high performance liquid chromatography
CN104405611A (en) * 2014-10-13 2015-03-11 成都格莱精密仪器有限公司 Dual-drive solvent conveying pump
EP3242649B1 (en) 2015-01-09 2025-03-26 Bayer Healthcare LLC Multiple fluid delivery system with multi-use disposable set and features thereof
US20160265521A1 (en) * 2015-03-12 2016-09-15 Colterwell Ltd. Pump assemblies
CN108350868A (en) * 2015-08-13 2018-07-31 温杜姆工程公司 Improved pulsationless pump and methods related thereto
US10514028B2 (en) 2015-12-01 2019-12-24 Shimadzu Corporation Liquid delivery device
DE102016015213A1 (en) * 2016-12-21 2018-06-21 Albonair Gmbh Reducing agent metering system with piston pumps
DE102017115242A1 (en) 2017-07-07 2019-01-10 Dionex Softron Gmbh Pump operation method, use of the method in HPLC, pump, pump system and HPLC system
JP6809616B2 (en) * 2017-09-12 2021-01-06 株式会社島津製作所 Plunger pump
AU2018204487B1 (en) 2017-11-10 2019-05-30 Quantum Servo Pumping Technologies Pty Ltd Pumping systems
CN111663305B (en) * 2019-03-05 2023-05-16 青岛海尔洗涤电器有限公司 Clothes treatment agent injection device and washing machine
EP3748354B1 (en) * 2019-06-04 2022-04-06 F. Hoffmann-La Roche AG Quick liquid exchange in liquid chromatography
CN111255650B (en) * 2020-01-16 2022-05-24 苏州英赛斯智能科技有限公司 Double-plunger infusion pump system
DE102020105265A1 (en) 2020-02-28 2021-09-02 Dionex Softron Gmbh Method for conveying a fluid through a pump
CN112128160B (en) * 2020-09-21 2024-09-10 江苏铭宇仪表科技有限公司 Miniature double-cylinder electric high-pressure hydraulic pump

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US4352636A (en) * 1980-04-14 1982-10-05 Spectra-Physics, Inc. Dual piston pump
US4556367A (en) * 1982-01-29 1985-12-03 The Perkin-Elmer Corporation Solvent delivery system
DE3203722C2 (en) * 1982-02-04 1985-08-01 Gynkotek Gesellschaft für den Bau wissenschaftlich-technischer Geräte mbH, 8000 München Thrust piston pump for low-pulsation pumping of a liquid
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Also Published As

Publication number Publication date
GB2189555A (en) 1987-10-28
US4681513A (en) 1987-07-21
GB8604418D0 (en) 1986-03-26

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950221